Magento CVE-2026-21291
MEDIUMCVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
2DescriptionNVD
Adobe Commerce versions 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a high-privileged attacker to inject malicious scripts into vulnerable form fields. Exploitation of this issue requires user interaction in that a victim must browse to the page containing the vulnerable field.
AnalysisAI
Stored XSS in Adobe Commerce versions 2.4.9-alpha3 through 2.4.4-p16 allows high-privileged attackers to inject malicious scripts into form fields that execute when victims view the affected pages. The vulnerability requires attacker credentials and user interaction but could compromise session security and steal sensitive data across multiple Commerce deployments. …
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RemediationAI
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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